1 files changed, 1 insertions, 1 deletions

diff --git a/publish-purge b/publish-purge
index d10e78b..ea65755 100755
--- a/publish-purge
+++ b/publish-purge
@@ -27,7 +27,7 @@
 
 
 set -e
-
+set -u
 
 test_if_ancient()
 {